Replacement of Steel O. H. tank by RCC O. H. Tank of capacity 50000 gallon along with pipe line & other ancillary works at KWAE ( 04 nos. ) & SALE ( 01 no. ) under AEN/ KWAE, at AZ ( 01 no. ) under AEN/ AZ and at NDAE ( 01 no. ) & TBAE ( 01 no. ) under AEN/ NDAE.